Enact the fifth rules update for SR2024

This updates the coloured arena diagram such that the colours
of the Planets match those in the simulator. This has no
semantic difference and purely aims to avoid any confusion
over how the Planets are numbered.

This is built from:
- srobo/rules@ef7ec80
- https://app.circleci.com/pipelines/github/srobo/rules/478/workflows/2ff8c681-12ea-48d3-9a56-0e8eb29b3341/jobs/536/artifacts
- https://output.circle-artifacts.com/output/job/918ae43b-d08c-4e50-a3eb-6bb64da4e690/artifacts/0/rulebook.html

Author: PeterJCLaw